The 2W1F_Shape trench cross-section symbol defines a trench with two vertical walls and one common footing. The symbol uses the following parameters:
1 - Inside left width
2 - Inside right width
3 - Footing thickness
4 - Wall thickness
5 - Inside depth
6 - Footing projection
InsideLeftWidth - Distance from the center cardinal point to the extreme left cardinal points.
InsideRightWidth - Distance from the center cardinal point to the extreme right cardinal points.
FootingThk - Footing thickness of the trench.
Inside Depth - Inside depth of the trench.
WallThk - Wall thickness of the trench.
FootingProj - Footing projection.